TimesFM Forecasting
google-research/timesfm
Forecasts any univariate time series zero-shot with Google's TimesFM model, returning point forecasts and calibrated prediction intervals without training.
“趋势分析技能，取带时间维度的序列并量化其增长/变化幅度与异常点。”
Install Trend Analysis
$ npx skills add larry-zy/cognida --skill trend-analysis -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install larry-zy/cognida trend-analysis --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/larry-zy/cognida.git skills-src && mkdir -p .claude/skills && cp -r skills-src/services/cognida-go/skills/trend-analysis .claude/skills/trend-analysis && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "trend-analysis" agent skill from https://github.com/larry-zy/cognida/tree/main/services/cognida-go/skills/trend-analysis into .claude/skills/trend-analysis/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "trend-analysis", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/larry-zy/cognida/tree/main/services/cognida-go/skills/trend-analysisType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add larry-zy/cognida --skill trend-analysis -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install larry-zy/cognida trend-analysis --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/larry-zy/cognida.git skills-src && mkdir -p .agents/skills && cp -r skills-src/services/cognida-go/skills/trend-analysis .agents/skills/trend-analysis && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "trend-analysis" agent skill from https://github.com/larry-zy/cognida/tree/main/services/cognida-go/skills/trend-analysis into .agents/skills/trend-analysis/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "trend-analysis", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add larry-zy/cognida --skill trend-analysis -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install larry-zy/cognida trend-analysis --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/larry-zy/cognida.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/services/cognida-go/skills/trend-analysis .cursor/skills/trend-analysis && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "trend-analysis" agent skill from https://github.com/larry-zy/cognida/tree/main/services/cognida-go/skills/trend-analysis into .cursor/skills/trend-analysis/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "trend-analysis", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/larry-zy/cognida.git --path services/cognida-go/skills/trend-analysis--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add larry-zy/cognida --skill trend-analysis -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install larry-zy/cognida trend-analysis --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/larry-zy/cognida.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/services/cognida-go/skills/trend-analysis .gemini/skills/trend-analysis && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "trend-analysis" agent skill from https://github.com/larry-zy/cognida/tree/main/services/cognida-go/skills/trend-analysis into .gemini/skills/trend-analysis/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "trend-analysis", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install larry-zy/cognida trend-analysisInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add larry-zy/cognida --skill trend-analysis -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/larry-zy/cognida.git skills-src && mkdir -p .github/skills && cp -r skills-src/services/cognida-go/skills/trend-analysis .github/skills/trend-analysis && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "trend-analysis" agent skill from https://github.com/larry-zy/cognida/tree/main/services/cognida-go/skills/trend-analysis into .github/skills/trend-analysis/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "trend-analysis", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add larry-zy/cognida --skill trend-analysis -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install larry-zy/cognida trend-analysis --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/larry-zy/cognida.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/services/cognida-go/skills/trend-analysis .opencode/skills/trend-analysis && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "trend-analysis" agent skill from https://github.com/larry-zy/cognida/tree/main/services/cognida-go/skills/trend-analysis into .opencode/skills/trend-analysis/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "trend-analysis", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
trend-analysis- GitHub stars
- 182
- Token cost
- ~428 tokens
- SKILL.md length
- 62 words
- Files
- 1
- Skills in repo
- 9
- Repo updated
- First seen
- Licence
- MIT
At a glance
- SKILL.md covers 何时用 / 何时不用, 标准流程, 工具 and 编排（按上下文重量分流）, plus 3 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
About this skill
Trend Analysis is a skill in larry-zy/cognida (182 stars). Its SKILL.md is about 428 tokens. Licence: MIT.
What it can do on your machine
Read from SKILL.md and the folder at commit bf76257. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Trend Analysis loads about 428 tokens when it runs. Until then it costs about 12 tokens; SKILL.md has 62 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from larry-zy/cognida at commit bf76257, republished under its MIT licence (© larry-zy). 62 words, ~428 tokens.
Download SKILL.mdSave it as
.claude/skills/trend-analysis/SKILL.md (or your agent's skills folder).- name
- trend-analysis
- description
- 趋势分析技能，取带时间维度的序列并量化其增长/变化幅度与异常点。
- when_to_use
- 当用户问某指标随时间的走势、增长/下降、环比/同比、波动或异常（如“最近半年 GMV 的走势”“订单量是不是在下滑”）时使用；只要单个静态数字不属于此技能。
- category
- data
- tags
- trend, time-series, analytics, anomaly
- version
- 1.0.0
- author
- Cognida Team
趋势分析
面向「带时间维度的序列 → 量化趋势」的场景：取出按时间聚合的指标序列，用 data_analysis 算出增长/变化幅度，必要时叠加异常检测，再给出有数据支撑的结论。区别于即席取数（要一个静态值）与归因（追问为什么变化）。
何时用 / 何时不用
- ✅ 用：某指标随时间怎么变、涨了还是跌了、涨跌幅多少、有没有异常波动。
- ❌ 不用：
- 只要一个当前值/明细 →
text2sql-adhoc - 追问「为什么会这样变」「谁在拉动」 →
attribution-analysis
- 只要一个当前值/明细 →
标准流程
1. 确定时间粒度与范围（日/周/月），取带时间维度的指标序列
↓ 受治理指标优先 semantic_query，其余 get_schema 后 sql_execute
2. data_analysis(analysis_type=trend, options.value_col=<指标列>)
→ 拿到方向、斜率、增长幅度
↓
3. 必要时 data_analysis(analysis_type=anomaly) 检测异常点
↓
4. 结论：给出量化的增长/变化幅度（如“环比 +12.3%”），标注异常拐点工具
semantic_query/sql_execute：取按时间聚合、时间列升序排列的序列。data_analysis：analysis_type=trend，options.value_col指定数值列，得方向与幅度。analysis_type=anomaly：检测序列中的异常点/突变。
编排（按上下文重量分流）
- 取数重则委派、轻则直接做——判据是上下文重量，不是步数：
- 需多表定位、序列很长、或 SQL 可能多轮试错 → 委派
SQLAuthor取回result_id，再委派Analysis做analysis_type=trend（携result_id）；子代理的中间往返不进你的上下文，你只收结论摘要。 - 序列小、表已知、单查即得 → 直接按标准流程自己做，省委派往返。
- 需多表定位、序列很长、或 SQL 可能多轮试错 → 委派
- 委派携最小 scope（read），把
result_id串进下一次委派的inputs.result_id做数据接力。
数据传递
- 取数返回的大结果以
result_id承载；分析时传result_id，不要把整段序列复制进参数。
渲染
- 时序数据首选一张
LineChart（数字用{"path":"/..."}绑定），配一句Callout写关键结论（涨跌幅、拐点）。 - 不要为一条趋势再叠一张重复同列数字的表格。
约束
- 序列必须按时间升序；口径（时间列、聚合方式）在结论里写明。
- 趋势判断以
data_analysis的计算结果为准，不凭样本目测下结论。 - 只做趋势量化；「为什么变化」的根因归属属于
attribution-analysis。
© larry-zy, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in services/cognida-go/skills/trend-analysis of larry-zy/cognida.
Open the folder on GitHubat commit bf76257
Compare with similar skills
Trend Analysis next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Trend Analysis this skilllarry-zy/cognida | 182 | — | ~428 | Automated safety check: Pass | MIT | |
| TimesFM Forecastinggoogle-research/timesfm | 34k | — | ~4.7k | Automated safety check: Pass | Apache-2.0 | |
| Timesfm ForecastingzLanqing/codex-claude-academic-skills | 4.6k | 6 repos | ~7.5k | Automated safety check: Notes | Apache-2.0 | |
| StatsmodelszLanqing/codex-claude-academic-skills | 4.6k | 16 repos | ~4.9k | Automated safety check: Pass | BSD-3-Clause | |
| Alphaear Predictorninehills/skills | 281 | 2 repos | ~531 | Automated safety check: Pass | None | |
| Find Hypertable Candidatestimescale/pg-aiguide | 1.9k | 1 repos | ~2.6k | Automated safety check: Pass | Apache-2.0 |
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Zero-shot time series forecasting with Google's TimesFM foundation model.
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Alphaear Predictor
ninehills/skills
Market prediction skill using Kronos. An agent skill from ninehills/skills.
Find Hypertable Candidates
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A skill your agent uses to analyze an existing PostgreSQL database and identify which tables should be converted to Timescale/TimescaleDB hypertables.
Pensieve Search
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Search the user's local Pensieve screenshot archive by text, app, or time range.
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Related
Categories
Questions about Trend Analysis
How do I install Trend Analysis in Claude Code?
Run `npx skills add larry-zy/cognida --skill trend-analysis -a claude-code`. Or copy the skill folder (services/cognida-go/skills/trend-analysis in larry-zy/cognida) into .claude/skills/trend-analysis in your project. Claude Code loads it when a task matches its description.
How do I install Trend Analysis in Codex?
Run `npx skills add larry-zy/cognida --skill trend-analysis -a codex`. Or copy the skill folder (services/cognida-go/skills/trend-analysis in larry-zy/cognida) into .agents/skills/trend-analysis in your project. Codex loads it when a task matches its description.
Can I use Trend Analysis in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add larry-zy/cognida --skill trend-analysis -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/trend-analysis, .gemini/skills/trend-analysis, .github/skills/trend-analysis and .opencode/skills/trend-analysis in your project.
What does Trend Analysis need to run?
SKILL.md names no scripts, command-line tools or credentials: Trend Analysis is instructions for the agent only.
Does Trend Analysis access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Trend Analysis safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Trend Analysis use?
Trend Analysis is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Trend Analysis use?
About 428 tokens (SKILL.md is roughly 1.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Trend Analysis?
Skills that share tags, products or a category with Trend Analysis: TimesFM Forecasting (google-research/timesfm, 34k stars), Timesfm Forecasting (zLanqing/codex-claude-academic-skills, 4.6k stars), Statsmodels (zLanqing/codex-claude-academic-skills, 4.6k stars) and Alphaear Predictor (ninehills/skills, 281 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Trend Analysis?
larry-zy (a GitHub user) maintains it in larry-zy/cognida, which has 182 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on August 31, 2026.
Source: larry-zy/cognida on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.